TWI] 



1130 



[TYN 



Twining, T. On appliances for taking deep 

 soundings. Chemical News, XI., 1865, pp. 29- 

 81. 



Twisden, John F. On the form of the voussoirs 

 of a convergent arch or vault. Roy. Engineers' 

 Papers, X., 1861, pp. 11-24. 



Twopeny, David, and Macrae, J. Appearance 

 of an animal believed to be that which is called 

 the " Norwegian Sea Serpent," on the western 

 coast of Scotland, in August, 1872. Zoologist, 

 VIIL, 1873, pp. 3517-3522. 



Tychsen, Camillo. Om integration af Differen- 

 tialligninger af 2 den Orden nied to Variable. 

 Mathem. Tidsskrift, VI., 1864, pp. 1-32. 



2. Elementaer bevaegelseslaere til brug ved 



undervisningen. Mathem. Tidsskrift, VI., 1864, 

 pp. 81-128. 



. 3. En undersjrfgelse af differentialligningen 



T - 



T0, hvor P, Q, R, S, T, U ere 

 Mathem. Tidsskrift, VI., 



f unktioner af a? og y. 

 1864, pp. 145-160. 



4. Om anvendelsen af LEIBNITZ'S formel til 



integration af differentialligningen ^- + X-,-^ 



dx 2 dxy 



+X Z y=X, hvor X-^, X 2 , X betegne hvilke- 

 somhelst functioner af x. Mathem. Tidsskrift, 

 VI., 1864, pp. 177-187. 



5. Note iiber die Integration der linearen 

 Differentialgleichungen w ter Ordnung mit con- 

 stanten Coefficienten. Zeitschr. Math. Phys. 



[., 1867, pp. 507-510. 

 6. Note iiber die Integration der partiellen 



d*z 



wo P 15 P 2 , .... P B _i, P B , Q gegebene 

 Fuuctionen der unabhangigen Variablen x und 

 y sind. Zeitschr. Math. Phys. XIII., 1868, pp. 

 441-445. 



Tylden, W. Note on Ceuthorhynchus suturellus 

 (?), a species new to Britain. Entom. Month. 

 Mag. II., 1865-66, pp. 256-257. 



Tyler, S. W. Analysis of a carbonate of lime 

 and manganese (Spartaite of BREITHAUPT) from 

 Stirling, Sussex county, New Jersey. [1864.] 

 Amer. Journ. Sci. XXXIX., 1865, pp'. 174- 

 175. 



2. Analyses of Rahtite, Marcylite, and Mo- 



ronolite, with prefatory remarks by PROP. 

 CHARLES U. SHEPARD. Amer. Journ. Sci. 

 XLL, 1866, pp. 209-213. 



Tylor, Alfred. 5. Remarks upon the interval of 

 time which has passed between the formation of 

 the upper and lower valley-gravels of part of 

 England and France, with notes on the character 

 of the holes bored in rocks by Mollusca. Geol. 

 Soc. Quart. Journ. XXIL, 1 866, pp. 463-468 ; 

 Phil. Mag. XXXI., 1866, p. 546. 



6. On the Amiens gravel. Phil. Mag. 

 XXXIV., 1867, pp. 479-480; Amer. Journ. 

 Sci. XL VI., 1868, pp. 302-327; Geol. Soc. 

 Quart. Journ. XXIV.j 1868, pp. 1-2, 103-125; 

 Neues Jahrb. Mineral. 1869, pp. 129-157. 



7. Discovery of a pleistocene fresh-water 



deposit, with shells, at Highbury New Park, 

 near Stoke Newington. Geol. Mag. V., 1868, 

 pp. 391-392. 



8. On the quaternary gravels of England. 



Geol. Soc. Quart. Journ. XXIV., 1868, p. 455 ; 

 XXV., 1869, pp. 57-100; Phil. Mag. XXXVI., 

 1868, pp. 232-234. 



9. On the formation of deltas ; and on the 



evidence and cause of great changes in the sea- 

 level during the glacial period. [1 868.] Geol, 

 Soc. Quart. Journ. XXV., 1869, pp. 7-11 ; Phil. 

 Mag. XXXVIL, 1869, pp. 310-311; Geol. 

 Mag. IX., 1872, pp. 392-399, 485-501. 



Tyndall, John. 73. *0n the passage of radiant 

 heat through dry and humid air. Phil. Mag. 

 XXVL, 1863, pp. 44-54. 



74. *Remarks on Professor TAIT'S last letter 



to Sir DAVID BKEWSTEB [on the dynamical 

 theory of heat]. Phil. Mag. XXVL, 1863, pp. 

 65-67. 



75. *Note on LAPLACE'S correction for the 



velocity of sound. Phil. Mag. XXVL, 1863, pp. 

 384-387 ; XXVIL, 1864, p. 41. 



76. On a magnetic experiment. Chemical 



News, X., 1864, pp. 152-155; Roy. Instit. Proc. 



IV., 1866, pp. 317-322. 

 77. Notes on scientific history. Phil. Mag. 



XXVIIL, 1864, pp. 25-51. 

 - 78. On the conformation of the Alps. Phil. 



Mag. XXVIIL, 1864, pp. 255-271. 



79. On luminous and obscure radiation. 



Phil. Mag. XXVIIL, 1864, pp. 329-341 ; An- 

 nal. Phys. Chem. CXXIV., 1865, pp. 36-53; 

 Archives Sci. Phys. Nat. XXIL, 1865, pp. 41- 

 61. 



80. Contributions to molecular physics ; 

 being the fifth memoir of Researches on Radiant 

 Heat. (Bakerian Lecture.) Phil. Trans. CLIV., 

 1864, pp. 327-368 ; Phil. Mag. XXVIIL, 1864, 

 pp. 438-458, 508-535 ; Roy. Soc. Proc. XIIL, 

 1864, pp. 160-168 ; Chemical News, IX,, 1864, 

 232-234 ; Roy. Instit. Proc. IV., 1866, pp. 233- 

 240. 



81. On the history of negative fluorescence. 



[1864.] Phil. Mag. XXIX., 1865, pp. 44- 

 55. 



